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- M300 Plus vs SL900
ComNav M300 Plus vs SatLab SL900
What M300 Plus does better (3) and where SL900 wins (2) — every spec side by side.
Dimensions
Size comparison
M300 PlusSL900
| M300 Plus | SL900 | Difference | |
|---|---|---|---|
| Height | 67 mm | 95 mm | −28 mm |
| Width | 176 mm | 170 mm | +6 mm |
| Weight | 2,000 g | 1,200 g | +800 g |
Drawn to the same scale from the official dimensions (front and side).
Why is M300 Plus better than SL900?
- Internal storage32 GB vs 16 GB2×
- Operating temperature (max)80 °C vs 65 °C+23%
- Tracking channels574 vs 555+3%
Why is SL900 better than M300 Plus?
- Weight2,000 g vs 1,200 g+67%
- Drop resistance1 m vs 2 m2×
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Satellite systems supported | 4 | 4 |
| Multi-band GNSS (L1 + L5/L2) | Yes | Yes |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, B1, B2, B3 | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 |
| Tracking channels | 574 | 555 |
| GNSS engine | — | Trimble BD990 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| Static accuracy (horizontal) | 2.5 mm | — |
| Tilt compensation (IMU) | — | Yes |
| Correction sources | NTRIP (internet), Cellular modem, L-band / PPP, SBAS | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | — | Yes |
| L-band / PPP corrections | Yes | Yes |
| Raw data logging (RINEX) | Yes | Yes |
| Maps & navigation | ||
| Internal storage | 32 GB | 16 GB |
| Connectivity & safety | ||
| Bluetooth | — | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| NFC | — | Yes |
| Battery & power | ||
| Battery life | — | 9 h |
| Battery capacity | — | 5,000 mAh |
| External power input | — | 6-28V DC external power input（5-pin port） with over-discharge protection |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| Drop resistance | 1 m | 2 m |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 80 °C | 65 °C |
| Weight | 2,000 g | 1,200 g |
| Width | 176 mm | 170 mm |
| Height | 67 mm | 95 mm |
| Depth | 225 mm | — |
| Housing material | Magnesium-aluminium | — |
